Without water, life can not exist. This idea gave rise to the water drinking set Basic. The color, the thickness of the wall of glass, and the blowing of the glass into the same mold creates completely different results. A crystal variant of its transparency refers to the clear structure of water; the color spectrum from opaque black to alabaster symbolizes a fireplace. O-rings are added to the glasses to function as stoppers, so as to make a neat snug fit.